how would i factor x2-16?
回答 (3)
2010-05-19 2:12 pm
✔ 最佳答案
a^2 - b^2 ≡ (a + b)(a - b)x^2 - 16
= x^2 - 4^2
= (x + 4)(x - 4)
2010-05-19 9:27 pm
( x - 4 ) ( x + 4 )
2010-05-19 9:11 pm
(x + 4)(x - 4)
收錄日期: 2021-05-01 13:09:28
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